19807956

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 63201600

約数和(自身を除く): 43393644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 49, 54, 57, 63, 76, 84, 98, 108, 114, 126, 133, 147, 171, 189, 196, 197, 228, 252, 266, 294, 342, 378, 394, 399, 441, 513, 532, 588, 591, 684, 756, 788, 798, 882, 931, 1026, 1182, 1197, 1323, 1379, 1596, 1764, 1773, 1862, 2052, 2364, 2394, 2646, 2758, 2793, 3546, 3591, 3724, 3743, 4137, 4788, 5292, 5319, 5516, 5586, 7092, 7182, 7486, 8274, 8379, 9653, 10638, 11172, 11229, 12411, 14364, 14972, 16548, 16758, 19306, 21276, 22458, 24822, 25137, 26201, 28959, 33516, 33687, 37233, 38612, 44916, 49644, 50274, 52402, 57918, 67374, 74466, 78603, 86877, 100548, 101061, 104804, 115836, 134748, 148932, 157206, 173754, 183407, 202122, 235809, 260631, 314412, 347508, 366814, 404244, 471618, 521262, 550221, 707427, 733628, 943236, 1042524, 1100442, 1414854, 1650663, 2200884, 2829708, 3301326, 4951989, 6602652, 9903978, 19807956]

約数ペア:

[(1, 19807956), (2, 9903978), (3, 6602652), (4, 4951989), (6, 3301326), (7, 2829708), (9, 2200884), (12, 1650663), (14, 1414854), (18, 1100442), (19, 1042524), (21, 943236), (27, 733628), (28, 707427), (36, 550221), (38, 521262), (42, 471618), (49, 404244), (54, 366814), (57, 347508), (63, 314412), (76, 260631), (84, 235809), (98, 202122), (108, 183407), (114, 173754), (126, 157206), (133, 148932), (147, 134748), (171, 115836), (189, 104804), (196, 101061), (197, 100548), (228, 86877), (252, 78603), (266, 74466), (294, 67374), (342, 57918), (378, 52402), (394, 50274), (399, 49644), (441, 44916), (513, 38612), (532, 37233), (588, 33687), (591, 33516), (684, 28959), (756, 26201), (788, 25137), (798, 24822), (882, 22458), (931, 21276), (1026, 19306), (1182, 16758), (1197, 16548), (1323, 14972), (1379, 14364), (1596, 12411), (1764, 11229), (1773, 11172), (1862, 10638), (2052, 9653), (2364, 8379), (2394, 8274), (2646, 7486), (2758, 7182), (2793, 7092), (3546, 5586), (3591, 5516), (3724, 5319), (3743, 5292), (4137, 4788)]